Autocorrelation at any lag for a phase

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Description

This function tests for autocorrelation for any lag. Should be used with samples greater than or equal to six. Also produces significance graph for lags. The Box-Ljung test of significance is performed for all lags up to and including the specified one.

Usage

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ABautoacf(behavior, phaseX, v, l)

Arguments

behavior

behavior variable

phaseX

phase variable

v

letter for phase tested (e.g., "A")

l

number of lags (e.g. 1, 2, 3)

Author(s)

Charles Auerbach, PhD & Wendy Zeitlin, PhD; Yeshiva University, Wurzweiler School of Social Work

References

Go to www.ssdanalysis.com for more information.

Auerbach, Charles, and Zeitlin Wendy. SSD for R: An R Package for Analyzing Single-Subject Data. Oxford University Press, 2014. p42 ,p141

Examples

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cry<-c(3, 4, 2, 5, 3, 4, NA, 2, 2, 3, 2, 1, 2, NA, 2, 2, 1, 2, 1, 0, 0, 0)
pcry<-c("A", "A", "A", "A", "A", "A", NA, "B", "B", "B", "B", "B", "B",
NA, "B1", "B1", "B1", "B1", "B1", "B1", "B1", "B1")
ABautoacf(cry, pcry, "B", 2)

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